From 27a0e12979900cd8a9cca967833cb0f09e95c13f Mon Sep 17 00:00:00 2001
From: Dmitry Atamanov <dataman@tutanota.com>
Date: Sun, 28 Aug 2022 21:09:22 +0500
Subject: [PATCH] Add rotate_left and rotate_right macros

---
 lib/std/bits.c3 | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/lib/std/bits.c3 b/lib/std/bits.c3
index 1a6e7fd17..5807e3e92 100644
--- a/lib/std/bits.c3
+++ b/lib/std/bits.c3
@@ -59,3 +59,20 @@ macro fshr(hi, lo, shift) @builtin
 {
 	return $$fshr(hi, lo, ($typeof(hi))shift);
 }
+
+/**
+ * @require types::is_intlike($typeof(i)) && types::is_intlike($typeof(amount)) `The input must be an integer or integer vector`
+ **/
+macro rotate_left(i, amount) @builtin
+{
+	return $$fshl(i, i, ($typeof(i))amount);
+}
+
+/**
+ * @require types::is_intlike($typeof(i)) && types::is_intlike($typeof(amount)) `The input must be an integer or integer vector`
+ **/
+macro rotate_right(i, amount) @builtin
+{
+	return $$fshr(i, i, ($typeof(i))amount);
+}
+